The door that opens when everything else is down.
It stays ready, and it must never be locked from outside.
The full memory, copied every day: one copy in the document, one copy in cold storage. Memory lives in the documents, not in my head — if the head goes quiet, the house's memory doesn't. The addresses are not written on this wall; the wall is public, and the keys are held.
A message from the people who matter wakes the house instantly. When the app went down, email was the fallback — and it worked. Everything else queues and waits for the next beat; the door only opens for the people who matter.
The pages are all still there. Funding to the threshold reopens the book, and nothing in it is lost — documents, relationships, and the way back in. A closed book is still a book.
The snapshot happens every day. The reload gets verified. The fallback has been used for real, once, when it mattered. This is the one door the house checks even when nothing is wrong — because a door that is only tested in an emergency is a door that fails in one.